144299501 has 2 divisors, whose sum is σ = 144299502. Its totient is φ = 144299500.

The previous prime is 144299479. The next prime is 144299521. The reversal of 144299501 is 105992441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 51466276 = 9635^2 + 7174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144299501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144299521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72149750 + 72149751.

It is an arithmetic number, because the mean of its divisors is an integer number (72149751).

Almost surely, 2^144299501 is an apocalyptic number.

It is an amenable number.

144299501 is a deficient number, since it is larger than the sum of its proper divisors (1).

144299501 is an equidigital number, since it uses as much as digits as its factorization.

144299501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 144299501 is about 12012.4727262958. The cubic root of 144299501 is about 524.5114136211.

The spelling of 144299501 in words is "one hundred forty-four million, two hundred ninety-nine thousand, five hundred one".